How Long Does a Home Remodel Take in Seattle?

One of the first questions homeowners ask after deciding to remodel is: "How long is this going to take?" It's a fair question — remodels disrupt your life, and knowing the timeline helps you plan around it. The honest answer is that it depends heavily on project scope and one factor most contractors don't mention upfront: permits.

The Short Answer: Timeline by Project Type

• Cosmetic bathroom update (new vanity, fixtures, no tile work): 1–2 weeks
• Full bathroom remodel (new tile, shower, plumbing): 3–6 weeks of construction
• Primary suite bathroom renovation: 6–10 weeks
• Kitchen refresh (cosmetic, same layout): 2–4 weeks
• Full kitchen remodel (new cabinets, countertops, plumbing): 4–8 weeks
• Full home remodel (multi-room): 3–6 months
• Home addition or ADU: 4–8 months

These are construction timelines only — time actually swinging hammers. Now let's talk about what happens before construction starts.

The Part Everyone Forgets: Permits

In Seattle, any remodel that involves plumbing, electrical, or structural changes requires a permit from the Seattle Department of Construction & Inspections (SDCI). Permit approval currently takes 3–6 weeks for most residential projects — and that's before anyone sets foot in your home to do any work.

So your "4-week kitchen remodel" is realistically a 7–10 week project from the day you sign a contract to the day your contractor leaves. That's not a contractor being slow — that's the city doing its job. Any contractor who promises to skip permits to speed things up is putting you at serious risk (more on that in our permits article).

What Causes Delays?

1. Hidden conditions in older homes

Seattle has a lot of homes built before 1980. Once walls come down, it's common to find knob-and-tube wiring that needs to be replaced, galvanized pipes that have to go, or subfloor damage that nobody knew was there. These aren't contractor failures — they're just the reality of older construction. They add time and cost, which is exactly why we recommend a 15–20% contingency on your budget.

2. Material lead times

Custom cabinets can take 6–12 weeks to arrive. Some tile is backordered. If you're set on specific materials, order them early — ideally before demo starts — so construction isn't sitting idle waiting for a delivery.

3. Change orders

Every time you change something mid-project — a different countertop, moving an outlet, adding a towel bar — it creates a ripple effect. Small changes can add days; significant changes can add weeks. Make your decisions before work starts and stick to them.

4. Inspection scheduling

After rough plumbing and electrical are done, an inspector from the city has to sign off before walls can be closed. Inspections are typically scheduled 3–5 business days out. Good contractors build this into the timeline; less experienced ones get surprised by it.

How to Keep Your Remodel on Schedule

• Make all selections before demo starts. Tile, fixtures, appliances, paint colors — all of it. Decision delays are the #1 cause of project extensions.
• Get a written timeline from your contractor that includes permit approval, construction phases, and inspection milestones.
• Order long-lead items early. If you want custom cabinets or specialty tile, order them the day you sign the contract.
• Budget contingency time, not just contingency money. Assume your project will take 10–15% longer than quoted and plan your life accordingly.

The Bottom Line

A good contractor will give you a realistic, written timeline before work starts — and will update you proactively if anything changes. At Sons of Thunder Construction, we build permit timelines into our project schedule from day one so there are no surprises. If you want an honest estimate of how long your specific project will take, reach out for a free consultation.